Role Description Picture this: A white-labeled flagship mobile app with tens of millions of users, built to help healthcare organizations deliver smarter services with integrated fintech capabilities. Engineered to the highest security standards and trusted by over 300 enterprise clients, this is a platform at massive scale. We are completely rebuilding this entire ecosystem from scratch, meaning your work will directly shape how millions of people access and manage their health and finances using a 100% blank canvas. Do you want to be part of the team building something that impacts so many lives? We’re looking for an experienced Android Engineer with deep expertise in Kotlin to help us build a large-scale mobile application from the ground up. In this hands-on role, you’ll: - Shape the architecture - Write high-quality production code - Work closely with cross-functional teammates to deliver impactful solutions If you enjoy solving complex problems, collaborating across disciplines, and making a direct impact as a key technical contributor, this role is for you. Qualifications - 5+ years of native Android application development - Strong expertise in Kotlin and modern Android development practices (Jetpack, Compose, Coroutines, etc.) - Solid understanding of backend APIs, authentication, and data persistence (REST/GraphQL, Room, Realm, SQLite, …) - Experience with Android system architecture, performance optimization, and scalability - Hands-on experience with app deployment and distribution via Google Play - Comfortable with Git workflows, testing frameworks (JUnit, Espresso, Robolectric), and CI/CD pipelines - Strong written and spoken English skills Requirements - This is a fully remote role for candidates based in Brazil. - Bonus points if you have: - Experience with large-scale consumer apps or high-impact user bases - Knowledge of app security best practices, analytics, and observability tools Key Responsibilities - Build and maintain high-quality native Android apps using Kotlin and Jetpack Compose - Develop clean, scalable UIs aligned with Google’s Material Design guidelines - Collaborate cross-functionally with iOS development, product, design, and QA teams - Contribute to architecture decisions, performance tuning, and scalability planning - Integrate with backend APIs and ensure reliable data flow - Stay current with Android development trends and new Android releases - Take ownership of features and drive them from concept to deployment Qualities for Success - Proactive, solutions-driven mindset - Strong attention to detail and code quality - Comfortable making technical decisions independently - Passion for learning and improving - Ownership mentality where you care about the end product Where You've Likely Developed These Skills - Digital product agencies or consultancies, or in a product IT company - Cross-functional product teams building real-world apps You're a great fit if you - Love building polished and user-friendly mobile apps - Value quality delivery and ask the right "Why?" questions - Want to grow technically while working on impactful projects - Thrive in a collaborative, remote-first environment - Like shipping clean, reliable code that solves real user problems This role is not a fit if you - Need constant oversight or micromanagement - Are looking for a chaotic startup environment with unclear direction Benefits - Real Impact: Real influence on technical decisions, tooling choices, and project direction. - Compensations: $4.500,00 – $6.000/monthly for B2B engagement, based on experience and skills. - Remote-first setup - Health & Wellbeing: 100% paid sick leave + annual health checkup - Stay active: Wellness subsidy - Continuous Growth: An education budget specifically designed to fuel your learning and help you expand your knowledge base. - Extra perks: Referral bonus

• Defining and maintaining high standards for architecture, performance, and code quality within the Android team • Driving mobile development excellence with CI/CD pipelines, version control, and integration with cloud-based infrastructure • Ensuring scalable, testable, and maintainable Android solutions by applying clean architecture principles

Role Description You will own our React Native app end-to-end on iOS and Android, shipping new features and maintaining a fast, reliable production experience for our “sellers”. You’ll work alongside our other mobile developer and the broader engineering team. Core areas include onboarding/auth, profile management, orders, and in-app chat. You’ll also build and maintain the backend APIs in Python + Django (DRF) that power the app, with a strong focus on performance, mobile latency, and scalability to support 1,000,000+ monthly visitors. Key Responsibilities - Ship new React Native features across iOS + Android (UI/UX, performance, reliability) - Maintain and improve the app through bug fixes, refactors, and release cycles - Build and maintain Django (DRF) APIs that power the app (mobile latency, scale, observability) Qualifications - React Native engineer with production experience on iOS + Android - Proven experience shipping and maintaining production React Native apps - Experience building and maintaining REST APIs with Python + Django (DRF) - Strong understanding of designing for scale, latency, and reliability for 1M+ monthly visitors - Familiar with Apple/Google release process (TestFlight, Play Console), signing/certificates, and deployment pipelines - Strong eye for design, UI/UX design experience is a major plus - Understands PostgreSQL and efficient database usage - Strong organizational skills with the ability to manage multiple tasks and deadlines - Thrives in a remote, asynchronous environment with high ownership - Experience using Notion or similar organizational tools - Portfolio or projects demonstrating shipped mobile apps - Not mandatory, but highly valued: Proficiency in Figma or similar design tools Requirements - Salary: $3,000–$4,000 USD per month - Contract Type: Contractor. Work from anywhere, with an emphasis on async collaboration Benefits - Performance Bonus: Annual cash bonus tied to company growth (13th-month pay) - Annual Reviews: Yearly performance and compensation reviews with opportunities for raises - Paid Time Off: 2 weeks of vacation to recharge - Paid Holidays: All local and federal holidays observed in your country - Paid Sick Leave: Take care of yourself when you need it - Autonomy & Ownership: You’ll have real control over your projects and the freedom to shape how things get done - Growth Potential: As we scale, your role and compensation grow with us

• Design and implement features for the Nimbus Android SDK, ensuring high performance and stability across the hundreds of apps and games that depend on it. • Write well-designed, efficient, and testable code in Kotlin that adheres to industry standards. • Work closely with the existing Mobile team, CTO, Director of Engineering, and CPO to translate product requirements into technical reality. • Proactively identify and resolve software issues, fix escalated bugs, and ensure the ongoing health of the SDK. • Maintain comprehensive integration documentation and conduct rigorous testing and validation to ensure the SDK is robust and reliable across the Android ecosystem.